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Difference between revisions of "Toolbar buttons missing after upgrade"

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{{notice|This issue only affects Joomla! versions 3.1.4 and 3.1.5 or any version where there are CSS changes}}
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Toolbar buttons are missing in the administrator views after a Joomla! upgrade.
After performing an update it is '''ESSENTIAL''' to clear your web browser cache to reload the admin template css.  
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If you do not do this then the user will not see the toolbar buttons.  
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== Versions affected ==
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{{refers_to|3.1.4,3.1.5}}
  
Refreshing the browser cache solves this immediately.  
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== What is the cause==
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There were CSS changes to the administration template and your browser is storing the out-dated version to speed up site loading. After performing an update it is '''ESSENTIAL''' to clear your web browser cache to reload the admin template CSS.
  
{{ambox|text='''*Note - some browser especially chrome can have very sticky browser cache and it is not enough to do a ctrl+f5<br>Log off, remove site cookies and log back in'''}}
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== How to fix ==
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===Common===
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Refreshing the browser cache solves this immediately. If you do not refresh the browser's cache, you will not see the toolbar buttons until the new CSS file replaces the CSS file in the browser's cache(temporary internet files).
  
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Here is how to clear a browser's cache by browser:
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*'''Firefox / Safari''': Hold Shift while clicking Reload, or press either Ctrl-F5 or Ctrl-R (⌘-R on a Mac)
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*'''Google Chrome''': Press Ctrl-Shift-R (⌘-Shift-R on a Mac)
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*'''Internet Explorer''': Hold Ctrl while clicking Refresh, or press Ctrl-F5
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*'''Opera''': Clear the cache in Tools → Preferences
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{{tip|text=Note - some browser especially chrome can have very sticky browser cache and it is not enough to do a ctrl+f5. You might have to clear the browser cache by deleting temporary internet files. Refer to your browser's specific instructions for deleting temporary internet files.}}
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===Not common===
 
If the problem persists you may want to check to see if your server has [https://developers.google.com/speed/pagespeed/module mod_pagespeed] from Google enabled. If it does, and you want to keep using mod_pagespeed you'll need to flush the server side cache on upgrading to 3.1.x. You do this by logging into the server and then executing
 
If the problem persists you may want to check to see if your server has [https://developers.google.com/speed/pagespeed/module mod_pagespeed] from Google enabled. If it does, and you want to keep using mod_pagespeed you'll need to flush the server side cache on upgrading to 3.1.x. You do this by logging into the server and then executing
  
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sudo touch /var/cache/mod_pagespeed/cache.flush
 
sudo touch /var/cache/mod_pagespeed/cache.flush
 
</pre>
 
</pre>
 
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__NOTOC__
 
[[Category:Version 3.1.4 FAQ]]
 
[[Category:Version 3.1.4 FAQ]]
 
[[Category:Version 3.1.5 FAQ]]
 
[[Category:Version 3.1.5 FAQ]]

Latest revision as of 09:53, 16 January 2014

Toolbar buttons are missing in the administrator views after a Joomla! upgrade.

Versions affected

Info non-talk.png
General Information

This pertains only to Joomla! version(s):- 3.1.4  3.1.5


What is the cause

There were CSS changes to the administration template and your browser is storing the out-dated version to speed up site loading. After performing an update it is ESSENTIAL to clear your web browser cache to reload the admin template CSS.

How to fix

Common

Refreshing the browser cache solves this immediately. If you do not refresh the browser's cache, you will not see the toolbar buttons until the new CSS file replaces the CSS file in the browser's cache(temporary internet files).

Here is how to clear a browser's cache by browser:

  • Firefox / Safari: Hold Shift while clicking Reload, or press either Ctrl-F5 or Ctrl-R (⌘-R on a Mac)
  • Google Chrome: Press Ctrl-Shift-R (⌘-Shift-R on a Mac)
  • Internet Explorer: Hold Ctrl while clicking Refresh, or press Ctrl-F5
  • Opera: Clear the cache in Tools → Preferences
Tip-icon.png
A Tip!

Note - some browser especially chrome can have very sticky browser cache and it is not enough to do a ctrl+f5. You might have to clear the browser cache by deleting temporary internet files. Refer to your browser's specific instructions for deleting temporary internet files.

Not common

If the problem persists you may want to check to see if your server has mod_pagespeed from Google enabled. If it does, and you want to keep using mod_pagespeed you'll need to flush the server side cache on upgrading to 3.1.x. You do this by logging into the server and then executing

A typical command and location:

sudo touch /var/cache/mod_pagespeed/cache.flush